MPN #211126    
Gefell MT71S


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The MT 71 S condenser microphone equipped with our proven large diameter membrane capsule features outstanding performance, a high sensitivity and a improved signal-to-noise ratio.

The MT 71 S guarantees a particularly clean and colourless sound reproduction. lt is well suited for instrumental and vocal soloists in radio and television broadcasting and for accurate productions.

The pressure gradient transducer is a dual capacitor design using a single brass back plate and two large diameter gold plated plastic membranes.

The cardioid pattern exhibits a smooth treble boost rising which peaks at about 4 dB in the range of 7 kHz. This response coupled with a slight roll-off at low frequencies is what gives the microphone its legendary "presence". The direction of maximum sensitivity is radial to the grill, i.e. side addressed.
The newly developed transformerless circuit design substitutes the previous transformer by a symmetrical output stage yielding superb transient response combined with high RFI rejection. The circuitry also achieves wider dynamic range by lowering the self noise floor and increasing the headroom for loud signals.
A 10 dB attenuator is installed to reduce the sensitivity of the microphone when placed near extremely loud sound sources. And, a low frequency roll-off switch will reduce the proximity effect when dose miking.

The microphone is equipped with a 3-pin XLR connector fitting to a microphone cable, e.g. C 70.
The MT 71 S uses 48 volt phantom powering according to the international standards DIN 45596 and lEC 2 68-15.

lt is available in a black matte or satin nickel finish.
  • Directional characteristic (cardioid)
  • Switchable pre-damping
  • Legendary M7 capsule
  • Transformerless
  • Polar pattern: Cardioid
    Acoustical operating principle: Pressure gradient transducer
    Frequency range: 40 ... 18000 Hz
    Switch position "reduced bass roll-off" at 90 Hz: -10 dB ± 1 dB
    Sensitivity at 1 kHz: 13 mV/Pa ± 3 dB
    Rated impedance: 150

    Equivalent loudness level due to inherent noise:
  • CCIR 468-4: 22 dB
  • DIN EN 60651: 14 dB - A

  • Signal-to-noise-ratio (re. 1 Pa at 1 kHz):
  • CCIR-weighted: 72 dB
  • A-weighted: 80 dB

  • Max. SPL for THD 0,5 %:
  • 134 dB
  • with 10 dB preattenuation: 144 dB

  • Total dynamic range of the microphone amplifier: 120 dB
    Current consumption (P 48, DIN 45596, IEC 268-15): 3 mA

    Output connector:
  • 3-pin XLR-connector
  • Gold plated contacts

  • Weight: 285 g
    Dimensions (L x Ø ): 217 mm x 42/21 mm
    G. Mc Cann
    January 30, 2020
    Un dessert santé
    Si on veut le micro avec le plus gros timbre, c'est non! Si on veut un micro qui pousse en avant le timbre de ce qu'on enregistre, c'est oui! Pas trop de disto, d'ajout d'harmoniques ou de «pic de présence», moins que certains Neumann, particulièrement les «remake» à lampes dont les capsules partent du son de la M7 (c'est un vénérable héritage), mais toujours fidèle à la tradition d'un voicing incroyable qui a fait la gloire du U87 et des prédécesseurs Neumann et Gefell. Read more
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